2014-12-13 00:51:40 +00:00
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/* rtp_audio_stream.h
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef RTPAUDIOSTREAM_H
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#define RTPAUDIOSTREAM_H
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#include "config.h"
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#ifdef QT_MULTIMEDIA_LIB
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#include <glib.h>
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#include <epan/address.h>
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#include <QAudio>
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#include <QColor>
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#include <QMap>
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#include <QObject>
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#include <QSet>
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#include <QVector>
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class QAudioOutput;
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class QTemporaryFile;
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2015-10-20 15:31:52 +00:00
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struct _rtp_info;
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2014-12-13 00:51:40 +00:00
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struct _rtp_stream_info;
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struct _rtp_sample;
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class RtpAudioStream : public QObject
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{
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Q_OBJECT
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public:
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2015-10-26 15:34:58 +00:00
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enum TimingMode { JitterBuffer, RtpTimestamp, Uninterrupted };
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2014-12-13 00:51:40 +00:00
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explicit RtpAudioStream(QObject *parent, struct _rtp_stream_info *rtp_stream);
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~RtpAudioStream();
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bool isMatch(const struct _rtp_stream_info *rtp_stream) const;
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bool isMatch(const struct _packet_info *pinfo, const struct _rtp_info *rtp_info) const;
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void addRtpStream(const struct _rtp_stream_info *rtp_stream);
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void addRtpPacket(const struct _packet_info *pinfo, const struct _rtp_info *rtp_info);
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void reset(double start_rel_time);
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2015-10-20 15:31:52 +00:00
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void decode();
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2014-12-13 00:51:40 +00:00
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double startRelTime() const { return start_rel_time_; }
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double stopRelTime() const { return stop_rel_time_; }
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unsigned sampleRate() const { return audio_out_rate_; }
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const QStringList payloadNames() const;
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/**
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* @brief Return a list of visual timestamps.
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* @return A set of timestamps suitable for passing to QCPGraph::setData.
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*/
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const QVector<double> visualTimestamps(bool relative = true);
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/**
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* @brief Return a list of visual samples. There will be fewer visual samples
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* per second (1000) than the actual audio.
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* @param y_offset Y axis offset to be used for stacking graphs.
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* @return A set of values suitable for passing to QCPGraph::setData.
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*/
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const QVector<double> visualSamples(int y_offset = 0);
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/**
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* @brief Return a list of out-of-sequence timestamps.
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* @return A set of timestamps suitable for passing to QCPGraph::setData.
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*/
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const QVector<double> outOfSequenceTimestamps(bool relative = true);
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2015-10-02 21:11:32 +00:00
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int outOfSequence() { return out_of_seq_timestamps_.size(); }
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2014-12-13 00:51:40 +00:00
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/**
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* @brief Return a list of out-of-sequence samples. Y value is constant.
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* @param y_offset Y axis offset to be used for stacking graphs.
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* @return A set of values suitable for passing to QCPGraph::setData.
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*/
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const QVector<double> outOfSequenceSamples(int y_offset = 0);
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2015-10-26 15:34:58 +00:00
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/**
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* @brief Return a list of jitter dropped timestamps.
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* @return A set of timestamps suitable for passing to QCPGraph::setData.
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*/
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const QVector<double> jitterDroppedTimestamps(bool relative = true);
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int jitterDropped() { return jitter_drop_timestamps_.size(); }
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/**
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* @brief Return a list of jitter dropped samples. Y value is constant.
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* @param y_offset Y axis offset to be used for stacking graphs.
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* @return A set of values suitable for passing to QCPGraph::setData.
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*/
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const QVector<double> jitterDroppedSamples(int y_offset = 0);
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/**
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* @brief Return a list of wrong timestamps.
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* @return A set of timestamps suitable for passing to QCPGraph::setData.
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*/
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const QVector<double> wrongTimestampTimestamps(bool relative = true);
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int wrongTimestamps() { return wrong_timestamp_timestamps_.size(); }
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/**
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* @brief Return a list of wrong timestamp samples. Y value is constant.
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* @param y_offset Y axis offset to be used for stacking graphs.
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* @return A set of values suitable for passing to QCPGraph::setData.
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*/
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const QVector<double> wrongTimestampSamples(int y_offset = 0);
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/**
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* @brief Return a list of inserted silence timestamps.
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* @return A set of timestamps suitable for passing to QCPGraph::setData.
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*/
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const QVector<double> insertedSilenceTimestamps(bool relative = true);
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int insertedSilences() { return silence_timestamps_.size(); }
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/**
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* @brief Return a list of wrong timestamp samples. Y value is constant.
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* @param y_offset Y axis offset to be used for stacking graphs.
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* @return A set of values suitable for passing to QCPGraph::setData.
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*/
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const QVector<double> insertedSilenceSamples(int y_offset = 0);
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2014-12-13 00:51:40 +00:00
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quint32 nearestPacket(double timestamp, bool is_relative = true);
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QRgb color() { return color_; }
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void setColor(QRgb color) { color_ = color; }
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QAudio::State outputState() const;
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2015-10-26 15:34:58 +00:00
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void setJitterBufferSize(int jitter_buffer_size) { jitter_buffer_size_ = jitter_buffer_size; }
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void setTimingMode(TimingMode timing_mode) { timing_mode_ = timing_mode; }
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2014-12-13 00:51:40 +00:00
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signals:
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void startedPlaying();
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void processedSecs(double secs);
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void finishedPlaying();
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public slots:
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void startPlaying();
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void stopPlaying();
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private:
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2015-10-20 15:31:52 +00:00
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// Used to identify unique streams.
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// The GTK+ UI also uses the call number + current channel.
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2014-12-13 00:51:40 +00:00
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address src_addr_;
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quint16 src_port_;
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address dst_addr_;
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quint16 dst_port_;
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quint32 ssrc_;
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2015-10-20 15:31:52 +00:00
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QVector<struct _rtp_packet *>rtp_packets_;
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2014-12-13 00:51:40 +00:00
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QTemporaryFile *tempfile_;
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struct _GHashTable *decoders_hash_;
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QList<const struct _rtp_stream_info *>rtp_streams_;
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double global_start_rel_time_;
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double start_abs_offset_;
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double start_rel_time_;
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double stop_rel_time_;
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quint32 audio_out_rate_;
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QSet<QString> payload_names_;
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struct SpeexResamplerState_ *audio_resampler_;
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struct SpeexResamplerState_ *visual_resampler_;
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QAudioOutput *audio_output_;
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QMap<double, quint32> packet_timestamps_;
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QVector<qint16> visual_samples_;
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QVector<double> out_of_seq_timestamps_;
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2015-10-26 15:34:58 +00:00
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QVector<double> jitter_drop_timestamps_;
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QVector<double> wrong_timestamp_timestamps_;
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QVector<double> silence_timestamps_;
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2014-12-13 00:51:40 +00:00
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qint16 max_sample_val_;
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QRgb color_;
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2015-10-26 15:34:58 +00:00
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int jitter_buffer_size_;
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TimingMode timing_mode_;
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void writeSilence(int samples);
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2014-12-13 00:51:40 +00:00
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private slots:
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2016-06-06 21:55:10 +00:00
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void outputStateChanged(QAudio::State new_state);
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2014-12-13 00:51:40 +00:00
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void outputNotify();
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};
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#endif // QT_MULTIMEDIA_LIB
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#endif // RTPAUDIOSTREAM_H
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/*
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* Editor modelines
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*
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* Local Variables:
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* c-basic-offset: 4
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* tab-width: 8
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* indent-tabs-mode: nil
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* End:
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*
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* ex: set shiftwidth=4 tabstop=8 expandtab:
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* :indentSize=4:tabSize=8:noTabs=true:
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*/
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